Question

Which of the below is NOT a good factor?

A)1
B)12.5
C)3.14
D)1.056

Answer 1

The answer is option B) 12.5.

Step-by-step explanation:

The question is asking which of the options is not a good factor. In mathematics, a factor of a number is a whole number that divides evenly into that number.

Let's check each option:

1. A factor of 1 is 1 itself.
2. A factor of 12.5 is 1, 2, 5, and 12.5.
3. A factor of 3.14 is 1, 3.14, and other decimals.
4. A factor of 1.056 is 1, 1.056, and other decimals.

From the given options, the number 12.5 is the only one that has factors other than 1 and itself. Therefore, the answer is B) 12.5.